Home / 166,028,672.40-248,371,162.20-145,873,280.40

Finding the Fourth Proportional to 166,028,672.40, 248,371,162.20 and 145,873,280.40

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Solution

The fourth proportional to 166,028,672.40, 248,371,162.20 and 145,873,280.40 is: 218,219,634.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,028,672.40 : 248,371,162.20 = 145,873,280.40 : x
  2. Step 2: Convert to fraction form
    166,028,672.40/248,371,162.20 = 145,873,280.40/x
  3. Step 3: Cross multiply
    166,028,672.40x = 248,371,162.20 × 145,873,280.40
  4. Step 4: Simplify right side
    166,028,672.40x = 36,230,716,186,874,480
  5. Step 5: Solve for x
    x = 36,230,716,186,874,480/166,028,672.40
  6. Step 6: Final answer
    x = 218,219,634.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.